Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 58722 — Burlington, ND

ZIP code 58722 (Burlington, Ward County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 10 and the first fall frost October 1.

Where ZIP 58722 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone4a−30 to −25 °F
Coldest night−34.4 to −31.7 °C
Last frostMay 10
First frostOct 1
2012 zone4a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Burlington, ND…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Burlington, ND

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 10median — 50% chance of a later frost
Safe for tender plantsMay 22only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 19
Growing season144 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 30 and returns around October 10.

From the NOAA station Minot Intl Airport, ND — 11 miles away, elevation 1,667 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 58722

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 29 – Apr 12
SpinachSow outdoors · Mar 29 – Apr 19
Broccoli, cabbageStart indoors · Mar 1 – Mar 15
Broccoli, cabbageTransplant · Apr 19 – May 3
Onion setsPlant outdoors · Apr 12 – Apr 26
PotatoesPlant outdoors · Apr 19 – May 3
LettuceSow outdoors · Apr 12 – Apr 26
Carrots, beetsSow outdoors · Apr 19 – May 3
TomatoesStart indoors · Mar 15 – Mar 29
TomatoesTransplant · May 17 – May 31
Peppers, eggplantStart indoors · Mar 1 – Mar 15
Peppers, eggplantTransplant · May 24 – Jun 7
BeansSow outdoors · May 17 – May 31
Sweet cornSow outdoors · May 17 – May 31
Cucumbers, squashSow outdoors · May 17 – May 31
Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 10) and first fall frost (Oct 1) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 58722 came on Apr 24 — about the same time as the 1991–2020 average (Apr 23).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Burlington, ND

The soil mapped at the center of ZIP 58722 is Forman — loam, well drained.

TextureLoama good balance for most vegetables
pH7.2neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Forman-Aastad loams, west, 0 to 3 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 58722; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Burlington, ND

Summer high84 °Faverage high, July
Winter low4 °Faverage low, January
Hot days13days a year at 90 °F or more
Freezing nights177nights a year at 32 °F or less
Growing degree days2,425base 50 °F — the season’s usable heat
Longest day16 h 05 mindaylight on June 21
Shortest day8 h 20 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation16.7 inper year, rain and melted snow
Snowfall45 inper year; 113 days with snow on the ground

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 23 °F, low 4 °F 23°4° JanFebruary: average high 27 °F, low 8 °F 27°8° FebMarch: average high 40 °F, low 19 °F 40°19° MarApril: average high 56 °F, low 31 °F 56°31° AprMay: average high 69 °F, low 43 °F 69°43° MayJune: average high 78 °F, low 54 °F 78°54° JunJuly: average high 84 °F, low 59 °F 84°59° JulAugust: average high 84 °F, low 56 °F 84°56° AugSeptember: average high 73 °F, low 47 °F 73°47° SepOctober: average high 57 °F, low 34 °F 57°34° OctNovember: average high 40 °F, low 21 °F 40°21° NovDecember: average high 27 °F, low 9 °F 27°9° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 0.28 in precipitation, 9.8 in snowfall 0.3❄10 JanFebruary: 0.29 in precipitation, 5.4 in snowfall 0.3❄5 FebMarch: 0.51 in precipitation, 6.1 in snowfall 0.5❄6 MarApril: 1.00 in precipitation, 4.5 in snowfall 1.0❄5 AprMay: 2.73 in precipitation, 0.7 in snowfall 2.7❄1 MayJune: 3.73 in precipitation 3.7 JunJuly: 2.50 in precipitation 2.5 JulAugust: 2.08 in precipitation 2.1 AugSeptember: 1.57 in precipitation, 0.1 in snowfall 1.6 SepOctober: 1.15 in precipitation, 1.2 in snowfall 1.1❄1 OctNovember: 0.56 in precipitation, 9.2 in snowfall 0.6❄9 NovDecember: 0.31 in precipitation, 8.1 in snowfall 0.3❄8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Minot Intl Airport, ND (11 mi away); precipitation: Minot Intl Airport, ND (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

587334a
Des Lacs, ND · 7 mi
587024a
Minot, ND · 9 mi
587034a
Minot, ND · 10 mi
587014a
Minot, ND · 11 mi
587054a
Minot Afb, ND · 13 mi
587044a
Minot Afb, ND · 14 mi
587184a
Berthold, ND · 14 mi
587254a
Carpio, ND · 18 mi

North Dakota planting zones →

Questions about 58722

What planting zone is ZIP code 58722?

ZIP code 58722 (Burlington, ND) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Burlington, ND?

The median last spring frost (32 °F) near 58722 is May 10; after May 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Minot Intl Airport station.

When is the first frost in Burlington, ND?

The median first fall frost near 58722 is October 1, giving a median frost-free growing season of 144 days.

When should I plant tomatoes in 58722?

Start tomato seeds indoors around Mar 15 – Mar 29 and set transplants outside around May 17 – May 31, one to three weeks after the median last frost.

How much rain and snow does 58722 get?

About 16.7 inches of precipitation a year and 45 inches of snowfall (NOAA 1991–2020 normals, Minot Intl Airport station).

How hot do summers get in Burlington, ND?

The average high peaks at 84 °F in July, with about 13 days a year at 90 °F or more.

What kind of soil does 58722 have?

The USDA soil survey maps Forman at the center of ZIP 58722: loam, well drained, pH about 7.2 (neutral).

Did spring come early in Burlington, ND in 2026?

Spring leaf-out near 58722 came on Apr 24 in 2026, about the same as the 1991–2020 average (Apr 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Burlington, ND?

Long-day onions: the longest day near 58722 is 16 h 05 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).